diff options
Diffstat (limited to 'build/root.build')
| -rw-r--r-- | build/root.build | 110 |
1 files changed, 84 insertions, 26 deletions
diff --git a/build/root.build b/build/root.build index edff38f..86a02a0 100644 --- a/build/root.build +++ b/build/root.build @@ -1,30 +1,30 @@ # file : build/root.build # license : GNU GPL v3; see accompanying LICENSE file -cxx.std = latest +# This configuration variable can be used to specify the GCC plugin directory +# instead of auto-discovering it with -print-file-name=plugin. Primarily +# useful when dealing with cross-compilation. +# +config [dir_path, config.report.variable=plugin_dir] \ + config.odb.plugin_dir ?= [null] -using cxx +# This configuration variable can be used to specify the GCC g++ executable +# name that will be called by the ODB compiler instead of auto-deriving it +# from config.cxx. Primarily useful when dealing with cross-compilation. +# +config [string, config.report.variable=gxx_name] \ + config.odb.gxx_name ?= [null] -if ($cxx.id != 'gcc') - fail 'ODB compiler can only be built with GCC' +config [bool] config.odb.develop ?= false -# Determine the GCC plugin directory. -# -# If plugin support is disabled, then -print-file-name will print the name we -# have passed (the real plugin directory will always be absolute). -# -# It can also include '..' components (e.g., on Windows) so normalize it for -# good measure. -# -plugin_dir = [dir_path] $process.run($cxx.path -print-file-name=plugin) +develop = $config.odb.develop -if ("$plugin_dir" == plugin) - fail "$recall($cxx.path) does not support plugins" +define cli: file +cli{*}: extension = cli -plugin_dir = $normalize($plugin_dir) +cxx.std = latest -if ($build.version.number > 12000000000) - config [config.report] plugin_dir +using cxx hxx{*}: extension = hxx ixx{*}: extension = ixx @@ -39,14 +39,72 @@ if ($cxx.class == 'msvc') cxx.poptions =+ "-I$out_root" "-I$src_root" -# Load the cli module but only if it's available. This way a distribution -# that includes pre-generated files can be built without installing cli. -# This is also the reason why we need to explicitly spell out individual -# source file prerequisites instead of using the cli.cxx{} group (it won't -# be there unless the module is configured). -# -using? cli - # Specify the test target for cross-testing. # test.target = $cxx.target + +# Omit the rest during the skeleton load. +# +if ($build.mode != 'skeleton') +{ + if ($cxx.id != 'gcc') + fail 'ODB compiler can only be built with GCC' + + # Determine the GCC plugin directory unless specified explicitly. + # + if ($config.odb.plugin_dir != [null]) + plugin_dir = $config.odb.plugin_dir + else + { + # If plugin support is disabled, then -print-file-name will print the name + # we have passed (the real plugin directory will always be absolute). + # + plugin_dir = [dir_path] $process.run($cxx.path -print-file-name=plugin) + + if ("$plugin_dir" == plugin) + fail "$recall($cxx.path) does not support plugins" + } + + # It can also include '..' components (e.g., on Windows) so normalize it for + # good measure. + # + plugin_dir = $normalize($plugin_dir) + + # Determine the g++ executable name unless specified explicitly. + # + if ($config.odb.gxx_name != [null]) + gxx_name = $config.odb.gxx_name + else + { + # Unless cross-compiling, pass the C++ compiler's recall path as the g++ + # name. + # + # Note that we used to compare complete target triplets but that prooved + # too strict. For example, we may be running on x86_64-apple-darwin17.7.0 + # while the compiler is targeting x86_64-apple-darwin17.3.0. + # + if ($cxx.target.cpu == $build.host.cpu && \ + $cxx.target.system == $build.host.system) + { + gxx_name = $recall($cxx.path) + } + else + fail "g++ executable name must be specified explicitly with \ +config.odb.gxx_name when cross-compiling" + } + + # Extract the copyright notice from the LICENSE file. + # + # Note that cat is a builtin which means this is both portable and fast. + # + copyright = $process.run_regex(cat $src_root/LICENSE, \ + 'Copyright \(c\) (.+)\.', \ + '\1') +} +else +{ + # Set for report. + # + plugin_dir = [null] + gxx_name = [null] +} |